Removal of Lead using Activated Carbon Derived from Red Algae (Gracilaria Changii)Mubeen Isam, Lavania Baloo, Nasiman Sapari, Idayu Nordin, Saba Yavari and Wesam Al-MadhounMATEC Web Conf., 203 (2018) 03006DOI: https://doi.org/10.1051/matecconf/201820303006